York Air Conditioner Error Codes

York Air Conditioner Error Codes

Temperature Sensor Resistance Readings

Malfunction Code of Outdoor unit
Display Malfunction or Protection
E1 Phase sequence error
E2 Communication malfunction between indoor/outdoor units
E3 T3 temperature sensor malfunction
E4 T4 temperature sensor malfunction
E5 T5 temperature sensor malfunction
E6 Water-level alarm malfunction

SELF DIAGNOSIS FUNCTION
Our company provides the end-users with thoughtful services by installing various diagnostic systems to indicate the following irregular performances
Checkcode = FAULT F6
Diagnosis of malfunction = PG motor faults
Checkcode = FAULT F7
Diagnosis of malfunction = Indoor TEMP sensor faults
Checkcode = FAULT F8
Diagnosisofmalfunction = Indoor coil pipe TEMP sensor faults
Checkcode = FAULT F9
Diagnosisofmalfunction = Outdoor coil pipe TEMP sensor faults
York A/C Fault Code 
Indoor Display
E0 ID PCB Fail
E1 Comms Fail
E2 Power Abnormal
E3 ID Fan Fail
E4 OD Sensor Fail
E5 ID Sensor Fail
E6 Inverter Module
P0 IPM Protection
P1 OD Power Supply
P2 Compressor Hi Temp
P3 Outdoor Low Temp
P4 Inverter/Compressor Fail
HVHC Inverter Fault Codes
Indoor Display = E0
ID PCB Fail
Outdoor LCDs
1 = On
2 Red = Off
3 Green = Off
4 Yellow = Off
Connected to Power

Indoor Display = E1
Comms Fail
Outdoor LCDs
1 = Off
2 Red = Off
3 Green = Off
4 Yellow = Off
Power or OD PCB Fail
Indoor Display = E3
Power Abnormal
Outdoor LCDs
1 = On
2 Red = On
3 Green = Off
4 Yellow = Off
Comms Fail
Indoor Display = E4
OD Sensor Fail
Outdoor LCDs
1 = On
2 Red = Off
3 Green = Off
4 Yellow = On
Compressor Overcurrent
Indoor Display = E5
ID Sensor Fail
Outdoor LCDs
1 = On
2 Red = Off
3 Green = Flash
4 Yellow = Flash
OD Air Sensor Fail E5
Indoor Display = E6
Inverter Module
Outdoor LCDs
1 = On
2 Red = Flash
3 Green = Off
4 Yellow = Flash
OD Pipe Sensor Fail E5
Indoor Display = PO
IPM Protection
Outdoor LCDs
1 = On
2 Red = On
3 Green = Flash
4 Yellow = On
OD Power Supply P1
Indoor Display = P1
OD Power Supply
Outdoor LCDs
1 = On
2 Red = Off
3 Green = On
4 Yellow = Off
IPM Protection P0
Indoor Display = P2
Compressor Hi Temp
Outdoor LCDs
1 = On
2 Red = Off
3 Green = On
4 Yellow = On
Compressor Temp P2
Indoor Display = P3
Outdoor Low Temp
Outdoor LCDs
1 = On
2 Red = On
3 Green = Off
4 Yellow = Off
Comms E1
Indoor Display = P4
Inverter/Compressor Fail
Outdoor LCDs
1 = On
2 Red = On
3 Green = Flash
4 Yellow = Flash
Inv / Comp Fail P4